Scott:
> We have been using Yousef Saad's PGMRES with the ILUT pre-conditioner with
> drop tolerance of 0.01 and lfil of 100.
>
> What specific settings/calls are needed in PETSc to achieve the equivalent
> of this previous solution scheme?
Your can use superlu's ILUT through PETSc, for example,
interesting than any results to which their experiments
lead.
-- Norbert Wiener
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Stephen Wornom wrote:
>
> -Seek steady solution using the time advancing scheme with a low Mach
> number preconditionner.
When using low speed preconditioning, it may be necessary to
take into account the low-Mach-number preconditioner in the linear
system to
be solved at each Newton iteration.
